Kenwood FCCPart80 User Manual - Page 1

VHF Maritime Radio Use Distress Calls Radiotelephone distress call and message transmission procedure: The distress call: 1 The distress signal MAYDAY spoken three times. 2 The words THIS IS. 3 The call sign or other identification of the station in distress, spoken three times. The distress message: 4 Particulars of its position. 5 The nature of the distress. 6 The kind of assistance desired. 7 Any other information which might facilitate rescue. For example, the length, color, and type of vessel, and number of persons on board. Operating Frequency Requirements According to Federal Communications Commission Rule Part 80: The radiotelephone stations on ships subject to Part II of Title III of the Communications Act must be capable of operating on the frequency 156.800 MHz and in other respects meet the requirements of §80.143. The radiotelephone stations on ships subject to the Safety Convention must be capable of operating in the simplex mode on the ship station transmitting frequencies specified in the frequency band 156.025 MHz to 157.425 MHz and in the semiduplex mode on the two frequency channels specified in the following table. Additional information about operating requirements in the Maritime Services can be obtained from the full text of FCC Rule Part 80. Channel Number 01 02 03 1 04 05 06 07 08 09 10 11 12 13 2 14 15 2 16 17 2 18 19 20 21 1 22 23 1 24 Frequency (MHz) Transmit Receive 156.050 160.650 156.100 160.700 156.150 160.750 156.200 160.800 156.250 160.850 156.300 156.300 156.350 160.950 156.400 156.400 156.450 156.450 156.500 156.500 156.550 156.550 156.600 156.600 156.650 156.650 156.700 156.700 156.750 156.750 156.800 156.800 156.850 156.850 156.900 161.500 156.950 161.550 157.000 161.600 157.050 161.650 157.100 161.700 157.150 161.750 157.200 161.800 Channel Number 25 26 27 28 60 61 1 62 63 64 1 65 66 67 2 68 69 70 71 72 73 74 75 76 77 2 78 79 80 81 1 82 1 83 1 84 85 86 87 88 Frequency (MHz) Transmit Receive 157.250 161.850 157.300 161.900 157.350 161.950 157.400 162.000 156.025 160.625 156.075 160.675 156.125 160.725 156.175 160.775 156.225 160.825 156.275 160.875 156.325 160.925 156.375 156.375 156.425 156.425 156.475 156.475 156.525 156.525 156.575 156.575 156.625 156.625 156.675 156.675 156.725 156.725 156.775 156.775 156.825 156.825 156.875 156.875 156.925 161.525 156.975 161.575 157.025 161.625 157.075 161.675 157.125 161.725 157.175 161.775 157.225 161.825 157.275 161.875 157.325 161.925 157.375 161.975 157.425 162.025 Weather Channel 01 02 03 04 05 06 07 08 09 10 Rx only Rx only Rx only Rx only Rx only Rx only Rx only Rx only Rx only Rx only 162.550 162.400 162.475 162.425 162.450 162.500 162.525 161.650 161.775 161.275 1 Simplex channels 3, 21, 23, 61, 64, 81, 82, and 83 cannot be lawfully used by the general public in USA waters. 2 Channels 13, 15, 17, 67, and 77 must be used with a power output limit of 1 W. Note: Detailed information about each operating frequency is beyond the scope of this document. Refer to the full text of FCC Rule Part 80 for detailed information about each operating frequency. © B59-2721-00